Charophytes of North America: A Guide to the Species of Charophyta of North America, Central America, and the West Indies |
Common terms and phrases
1-furcate 2-celled dactyls accessory branchlets acuminate algae antheridia apices arthrodactylous axial cortex axillary axis basal branchlet segment BASTINII brackish water bract-cells bracteoles branchlets appear simple branchlets furcate branchlets monopodial braunii cells CHARA VULGARIS CHARA ZEYLANICA CHARACEAE charophytes CLASSIFICATION CLAVATA considerable ecological cortex on axes dactyls 1-celled dense DIAGNOSTIC FEATURES dioec dioecious branchlets dioecious stipulodes dioecious strain diplo diplostephanous divided into varieties Ecorticate elongate End segment end-cell fairly common fertile heads FIELD CLUES gametangia geminate genetic variation globularis HABITAT hard water heads absent heads without mucus heteroclemous internodes isolated clumps large to 18 lateral rays lowest branchlet node medium large microsp microspecies monoecious branchlets monoecious stipulodes mucus oospore membrane Nitella furcata NITELLA MACOUNII North America oogonia oogonium plants ponds R. D. Wood ray-bearing node robust sect sex organs shallow water soft-water specimens spine-cells sterile branchlets subgen tier TOLYPELLA TOLYPELLA NIDIFICA traits which occur tylacanthous unusual traits whorls